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United States Patent | 5,313,937 |
Zdrojkowski | May 24, 1994 |
An improved methodology and apparatus for the treatment of sleep apnea through application of alternating high and low level positive airway pressure within the airway of the patient with the high and low airway pressure being coordinated with the spontaneous respiration of the patient.
Inventors: | Zdrojkowski; Ronald J. (Pittsburgh, PA) |
Assignee: | Respironics Inc. (Murrysville, PA) |
Appl. No.: | 901506 |
Filed: | June 19, 1992 |
Current U.S. Class: | 128/202.22; 128/204.23; 128/205.23; 128/206.24 |
Intern'l Class: | A61M 016/00 |
Field of Search: | 128/202.22,204.18,205.23,205.25,206.24,204.21,204.23,204.26 |
3580051 | May., 1971 | Blevins | 73/40. |
3741208 | Jun., 1973 | Jonsson et al. | 128/204. |
3896800 | Jul., 1975 | Cibulka | 128/204. |
3961627 | Jun., 1976 | Ernst et al. | 128/204. |
4036221 | Jul., 1977 | Hillsman et al. | 128/204. |
4146025 | Mar., 1979 | Warncke et al. | 128/201. |
4421113 | Oct., 1983 | Gedeon et al. | 128/204. |
4506666 | Mar., 1985 | Durkan | 128/204. |
4579115 | Apr., 1986 | Wallroth et al. | 128/205. |
4655213 | Apr., 1987 | Rapsport et al. | 128/205. |
4674492 | Jun., 1987 | Niemeyer | 128/206. |
4765325 | Aug., 1988 | Crutchfield | 128/206. |
4765326 | Aug., 1988 | Pieper | 128/202. |
4773411 | Sep., 1988 | Downs | 128/204. |
4782832 | Nov., 1988 | Trimble et al. | 128/207. |
4823788 | Apr., 1989 | Smith et al. | 128/204. |
4830008 | May., 1989 | Meer | 128/721. |
4846166 | Jul., 1989 | Willeke | 128/206. |
4914957 | Apr., 1990 | Dougherty | 73/40. |
4957107 | Sep., 1990 | Sipin | 128/204. |
5044362 | Sep., 1991 | Younes | 128/204. |
5086768 | Feb., 1992 | Niemeyer | 128/205. |
5107830 | Apr., 1992 | Younes | 128/204. |
5148802 | Sep., 1992 | Sanders et al. | 128/204. |
Foreign Patent Documents | |||
183901 | Nov., 1982 | AU. |
Black, J. Waylon and Grover, Bruce S., A Hazard of Pressure Support Ventilation, Feb. 1988 Chest. Effects on the Work of Breathing & Flow Triggering Versus Pressure Triggering Puritan Bennett. Effects of Expiratory Positive Airway Pressure on Sleep Induced Respiratory Abnormalities in Patients with Hypersomnia-Sleep Apnea Syndrome-Akshay K. Mahadesia-Am. Rev. Re Stir Ad. Mechanisms of Sleep Desaturation in Chronic Airflow Limitation Studied with Nasal Conj. Positive Airway Pressure(CPAP), Lindsay, D. A. Issa, F. G. & Sullivan C. E., Am. Rev. Dis 1982; 125 p. 112. CPAP Via Nasal Mask: A Treatment for Occluside Sleep Apnea, Sanders, M. H., Moore S. E. Eveslage, J. Chest 1983; 83:pp. 144-145. Remission of Severe Obesity-Hypoventilation Syndrome after Short Term Treatment During Sleep with Cont. Positive Airway Pressure Sullivan C. E., Berthon-Jones. M., ISSA FG. Am Rev. Repir. Dis. 1983; 128:pp. 177-181. Reversal of Obstructive Sleep Apnea by Cont. Positive Airway Pressure Applied Thru the Nares Sullivan C. E., Issa, F. G., Berthon-Jones, Eveslage Lancet 1981; 1:pp. 862-865. Treatment of Obstructive Apnea with Cont. Positive Airway Pressure Applied Through the Nose Am. Rev. Repir. Dis. 1982; 125:p. 107 Annual Meeting Abstracts. Reversal of Pickwickian Syndrome by Long-Term Use of Nocturnal Nasal Airway Pressure Rapoport D. M., Sorkin J. B., Garay S. M. Godring P. M. N. Engl J. Med 1982; 307:pp. 931-933. The Effects of Nasal CPAP on Various Sleep Apnea Papers Sander M .H., Holzer B. C., Pennock B. E. Chest 1983; 84: p. 336 Annual Meeting of American College of Chest Physicians Chicago Ill. Oct. 1983. The New Generation of Mechanical Ventilators Spearman C. S. & Sanders H. G., Jr Resp. Care Jun. '87 vol. 32 #6. |